Pantograph arm



FIG. 1 is a right-side view of a pantograph arm, showing the new design;

FIG. 2 is an enlarged front view thereof;

FIG. 3 is an enlarged top view thereof;

FIG. 4 is an enlarged rear view thereof.

FIG. 5 is a right-side view showing the pantograph arm in a contracted position;

FIG. 6 is an enlarged front view thereof;

FIG. 7 is an enlarged top view thereof.

FIG. 8 is a right-side view showing the pantograph arm in an extended position;

FIG. 9 is an enlarged front view thereof; and,

FIG. 10 is a perspective right side view thereof.

The broken lines are included in the drawings of FIGS. 1-10 to show portions of the pantograph that form no part of the claimed design. 

CLAIM The ornamental design for a pantograph arm, as shown and described. 